Table 1 Proportion of astaxanthin and β-carotene in pigments extracted from P. rhodozyma cells grown under −Cu and +Cu
Cell sampling time (h) | 30 | 66 | 72 | Culture condition |
|---|---|---|---|---|
Astaxanthin % | 54 ± 3 | 73 ± 1 | 76 ± 1 | −Cu |
57 ± 2 | 50 ± 0.5 | 56 ± 1 | +Cu | |
β-Carotene % | 17 ± 2 | 5 ± 1 | 2 ± 0.5 | −Cu |
9 ± 1 | 6 ± 1 | 6 ± 1 | +Cu |